mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
|
/*
|
||
|
|
* GStreamer
|
||
|
|
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
|
||
|
|
* Copyright (C) 2015 Thibault Saunier <tsaunier@gnome.org>
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Library General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Library General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Library General Public
|
||
|
|
* License along with this library; if not, write to the
|
||
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||
|
|
* Boston, MA 02110-1301, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "gstgtkutils.h"
|
||
|
|
|
||
|
|
struct invoke_context
|
||
|
|
{
|
||
|
|
GThreadFunc func;
|
||
|
|
gpointer data;
|
||
|
|
GMutex lock;
|
||
|
|
GCond cond;
|
||
|
|
gboolean fired;
|
||
|
|
|
||
|
|
gpointer res;
|
||
|
|
};
|
||
|
|
|
||
|
|
static gboolean
|
||
|
|
gst_gtk_invoke_func (struct invoke_context *info)
|
||
|
|
{
|
||
|
|
g_mutex_lock (&info->lock);
|
||
|
|
info->res = info->func (info->data);
|
||
|
|
info->fired = TRUE;
|
||
|
|
g_cond_signal (&info->cond);
|
||
|
|
g_mutex_unlock (&info->lock);
|
||
|
|
|
||
|
|
return G_SOURCE_REMOVE;
|
||
|
|
}
|
||
|
|
|
||
|
|
gpointer
|
||
|
|
gst_gtk_invoke_on_main (GThreadFunc func, gpointer data)
|
||
|
|
{
|
||
|
|
GMainContext *main_context = g_main_context_default ();
|
||
|
|
struct invoke_context info;
|
||
|
|
|
||
|
|
g_mutex_init (&info.lock);
|
||
|
|
g_cond_init (&info.cond);
|
||
|
|
info.fired = FALSE;
|
||
|
|
info.func = func;
|
||
|
|
info.data = data;
|
||
|
|
|
||
|
|
g_main_context_invoke (main_context, (GSourceFunc) gst_gtk_invoke_func,
|
||
|
|
&info);
|
||
|
|
|
||
|
|
g_mutex_lock (&info.lock);
|
||
|
|
while (!info.fired)
|
||
|
|
g_cond_wait (&info.cond, &info.lock);
|
||
|
|
g_mutex_unlock (&info.lock);
|
||
|
|
|
||
|
|
g_mutex_clear (&info.lock);
|
||
|
|
g_cond_clear (&info.cond);
|
||
|
|
|
||
|
|
return info.res;
|
||
|
|
}
|